SUBJECT: PRECOOLER BRACKET INSPECTION
MODELS AFFECTED:
PA-46-500TP M500
PA-46-600TP M600
PA-46-701TP M700 Fury
SERIAL NUMBERS AFFECTED:
4697693 thru 4697724
4698245 thru 4698292
46020001 thru 46020096
COMPLIANCE TIME: To coincide with the next regularly scheduled maintenance event, but not to exceed the next 200 hours time in service.
APPROVAL: The content of this service document has been reviewed and determined to be in accordance with applicable Federal Aviation Regulations.
PURPOSE: Some precooler mounting brackets may have been formed backwards. Left uncorrected this may result in chafing between the forward end of the mounting bracket and the longer on assembly as well as between the oil cooler hose support spacer and the bleed air tube assembly. This service letter provides instructions for inspecting these locations to ensure clearance and lack of chafing, as well as instructions to replace the precooler bracket on condition.
MATERIAL REQUIRED: Per aircraft, on condition:
Procure from your Piper Approved Service Center:
• One (1) each, Precooler Bracket, Piper P/N 104130-002
Procure from your General Aviation Supplier:
• Twelve (12) each, MS20470AD4 series rivets
AVAILABILITY OF PARTS: As identified in Materials Required, above, procure parts from your General Aviation Supplier and from your Piper Approved Service Center. Find your local service center at Piper Aircraft.
EFFECTIVITY DATE: This service letter is effective on October 22, 2026.
SUMMARY: Applicable factory participation is limited to new aircraft in warranty at the time of compliance. Factory participation will remain in effect for a period of time not to exceed 180 days from the effectivity date of this service letter.
Please contact your Piper Approved Service Center to make arrangements for compliance with this service letter in accordance with the compliance time indicated.
NOTE: Please notify the factory of any address/ownership corrections. Changes should include aircraft model, serial number, and current owner’s name and address.
Corrections and/or changes should be directed to:
PIPER AIRCRAFT, INC.
Attn: Technical Publications
2926 Piper Drive Vero Beach, FL 32960
or email Publications@piper.com with the subject line: “Aircraft Ownership Update”
